{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["organization", "location", "person", "else"], "input": "This year 's Fed Cup finalists -- defending champion Spain and the United States -- will hit the road to open the 1997 women 's international team competition , based on the draw conducted Saturday at the U.S. Open ."}
{"organization": [], "location": ["Spain", "United States"], "person": [], "else": ["Fed Cup", "U.S. Open"]}